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Denticulate ligaments
The medulla spinalis and its membranes. (Ligamentum denticulatum labeled vertically at bottom left.)
Latin ligamentum denticulatum
Gray's subject #185 750
MeSH [1]
Diagrammatic transverse section of the medulla spinalis and its membranes. (Denticulate ligament not labeled, but region is visible.)

The pia mater has 26 pairs of denticulate ligaments which attach it to the arachnoid and dura maters. Named for their tooth like appearance, the denticulate ligaments are traditionally believed to provide stability for the spinal cord against motion within the vertebral column.

Additional images


  • Tubbs R, Salter G, Grabb P, Oakes W (2001). The denticulate ligament: anatomy and functional significance.. J Neurosurg 94 (2 Suppl): 271-5. PMID 11302630.
  • Clinically Oriented Anatomy. Moore, Keith and Arthur F. Dalley. Philadelphia, Lipincott, Williams and Williams 2006.

External links

Spinal cord

epidural space, dura mater, subdural space, arachnoid mater, subarachnoid space, pia mater, denticulate ligaments, conus medullaris, cauda equina, filum terminale, cervical enlargement, lumbar enlargement, anterior median fissure, dorsal root, dorsal root ganglion, dorsal ramus, ventral root, ventral ramus, sympathetic trunk, gray ramus communicans, white ramus communicans

grey matter: central canal, substantia gelatinosa of Rolando, reticular formation, substantia gelatinosa centralis, interneuron, anterior horn, lateral horn, posterior horn (column of Clarke, dorsal spinocerebellar tract)

white matter: anterior funiculus: descending (anterior corticospinal tract, vestibulospinal fasciculus, tectospinal tract), ascending (anterior spinothalamic tract, anterior proper fasciculus)

lateral funiculus: descending (lateral corticospinal tract, rubrospinal tract, olivospinal tract), ascending dorsal spinocerebellar tract, ventral spinocerebellar tract, spinothalamic tract, lateral spinothalamic tract, anterior spinothalamic tract, spinotectal tract, posterolateral tract, lateral proper fasciculus, medial longitudinal fasciculus

posterior funiculus: fasciculus gracilis, fasciculus cuneatus, posterior proper fasciculus

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